... ,DNR,MASK,best price 27X Optical cctv zoom ptz module camera with 650TVLSpecification Resolution Super high resolutionsignal model PAL/NTSCimage sensor 1 ... chinese, english(optional)Screen menu contro AWB, MASK,DNR,Strong light Optimizer, MIRRORControlRS485/RS232Gama modulus 0.45Work temperature 0c~+70cPower supply ...